Lars Francke has been involved with Hadoop and HBase since 2009. He's been a contributor to HBase and various other tools since then and gained Hive committer status in 2014. As a freelancer he’s focused on Big Data and Hadoop since 2009. Lars has given presentations and led training on various Hadoop related topics to a variety of companies. He has helped set up and troubleshoot well over 20 Hadoop clusters of all sizes and versions and has consulted with over 40 customers on different topics. Due to his involvement in many open-source projects he is well connected in the Hadoop and HBase world, and has partnered with Cloudera to deliver services to customers throughout Europe. In 2016 Lars co-founded OpenCore, a Hadoop and emerging data technologies advisory firm.